2a-(-10)-4a+7=

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Solution for 2a-(-10)-4a+7= equation:


Simplifying
2a + -1(-10) + -4a + 7 = 0

Multiply -1 * -10
2a + 10 + -4a + 7 = 0

Reorder the terms:
10 + 7 + 2a + -4a = 0

Combine like terms: 10 + 7 = 17
17 + 2a + -4a = 0

Combine like terms: 2a + -4a = -2a
17 + -2a = 0

Solving
17 + -2a = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-17' to each side of the equation.
17 + -17 + -2a = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -2a = 0 + -17
-2a = 0 + -17

Combine like terms: 0 + -17 = -17
-2a = -17

Divide each side by '-2'.
a = 8.5

Simplifying
a = 8.5

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